MYK Mykrolis Corp

U.S. District Court Rules in Favor of Mykrolis in Patent Dispute With Pall Corporation Court orders preliminary injunction against Pall BILLERICA, Mass., May 3 /PRNewswire-FirstCall/ -- Mykrolis Corporation announced today that the United States District Court for the District of Massachusetts has ordered Pall Corporation to stop selling its PhotoKleen EZD-2 Filter Assembly products to its customers. Pall's PhotoKleen EZD-2 Filter Assembly products are the subject of a Mykrolis law suit charging Pall with infringement of two U.S. patents owned by Mykrolis. The patents cover the technology used in semiconductor manufacturing for point-of-use photochemical dispense and filtration of photoresists and solvents. After a hearing on Mykrolis's request for a preliminary injunction, the Court ruled in favor of Mykrolis and ordered Pall to immediately stop making, using, selling, or offering to sell within the US, or importing into the U.S., its PhotoKleen EZD-2 Filter Assembly products or "any colorable imitation" of those products. The Court concluded that Mykrolis had "made a 'clear showing' of its likely success on the merits on both validity and infringement" and, as a result, was entitled to the preliminary injunction. C. William Zadel, Chairman and Chief Executive Officer, commented: "We are extremely gratified by the Court's decision. Investing in research and development to develop innovative technologies that enable our customers' processes is the cornerstone of our strategy, and the Court's decision allows for clear protection of our intellectual property." The full text of the court ruling can be found on the following website link: http://pacer.mad.uscourts.gov/dc/cgi- bin/recentops.pl?filename=otoole/pdf/mykrolis%20order%20on%20pi.pdf About Mykrolis Mykrolis Corporation, based in Billerica, Massachusetts, is a worldwide developer, manufacturer and supplier of liquid and gas delivery systems, components and consumables used to precisely measure, deliver, control and purify the process liquids, gases and chemicals, as well as the deionized water, photoresists and vacuum systems utilized in the semiconductor manufacturing process. In addition, the Company's products are used to manufacture a range of other products, such as flat panel displays, high purity chemicals, photoresists, solar cells, gas lasers, optical disks and fiber optic cables. For more information, visit http://www.mykrolis.com/. DATASOURCE: Mykrolis Corporation CONTACT: Bertrand Loy, Chief Financial Officer, or Steve Cantor, Director of Investor Relations and Corporate Communications, both of Mykrolis Corporation, +1-978-436-6500, or Web site: http://www.mykrolis.com/

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